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BOSTON MARATHON 2024

Jian Feng

Bib: 9354•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:51/mi
21:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
43:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:05:26
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:32:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:37:52
↑ 19↓ 370.5%
25K· 15.53 mi
8:47/mi
1:59:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:39/mi
2:29:07
↑ 181↓ 1480.2%
20M
11:20/mi
2:44:31
↑ 64↓ 500.2%
21M
13:15/mi
2:57:46
↑ 106↓ 241.6%
35K· 21.75 mi
10:51/mi
3:05:53
↑ 17↓ 861.7%
23M
10:09/mi
3:18:36
↑ 23↓ 630.6%
24M
8:13/mi
3:26:49
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:33:45
↓ 200.3%
25.2M
8:51/mi
3:36:48
↑ 13↓ 160.2%
Finish· 26.22 mi
7:02/mi
3:43:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:52
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time2:06:06
Pace9:37 /mi
📊Positive Split: 28.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4321:176:5121:17
6:51
-
10K
6.21 mi11:08:2743:016:5521:44
7:00
+0:09
15K
9.32 mi11:30:521:05:267:0122:25
7:13
+0:13
20K
12.43 mi11:57:351:32:097:2526:43
8:36
+1:23
Half
13.11 mi12:03:181:37:527:285:43
8:23
-0:13
25K
15.53 mi12:24:351:59:097:4021:17
8:47
+0:24
30K
18.64 mi12:54:332:29:078:0029:58
9:39
+0:52
20M
20.00 mi13:09:572:44:318:1415:24
11:20
+1:41
21M
21.00 mi13:23:122:57:468:2813:15
13:15
+1:55
35K
21.75 mi13:31:193:05:538:338:07
10:51
-2:24
23M
23.00 mi13:44:023:18:368:3812:43
10:09
-0:42
24M
24.00 mi13:52:153:26:498:378:13
8:13
-1:56
40K
24.85 mi13:59:113:33:458:366:56
8:07
-0:06
25.2M
25.20 mi14:02:143:36:488:363:03
8:51
+0:44
Finish
26.22 mi14:09:243:43:588:337:10
7:02
-1:49

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:51 /mi

Average Pace

8:33 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:36

32% of race

Time at Steady Pace

1:11:55

32% of race

Time at Slower Pace

1:19:27

35% of race

Average Pace: 8:33 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:46:4321:176:5121:17
6:51
#6059
10K
6.21 mi11:08:2743:016:5521:44
7:00
#6326
15K
9.32 mi11:30:521:05:267:0122:25
7:13
#6729
20K
12.43 mi11:57:351:32:097:2526:43
8:36
#8969
Half
13.11 mi12:03:181:37:527:285:43
8:23
#9319
25K
15.53 mi12:24:351:59:097:4021:17
8:47
#10308
30K
18.64 mi12:54:332:29:078:0029:58
9:39
#11656
20M
20.00 mi13:09:572:44:318:1415:24
11:20
#12665
21M
21.00 mi13:23:122:57:468:2813:15
13:15
#13642
35K
21.75 mi13:31:193:05:538:338:07
10:51
#13983
23M
23.00 mi13:44:023:18:368:3812:43
10:09
#14153
24M
24.00 mi13:52:153:26:498:378:13
8:13
#13841
40K
24.85 mi13:59:113:33:458:366:56
8:07
#13513
25.2M
25.20 mi14:02:143:36:488:363:03
8:51
#13344
Finish
26.22 mi14:09:243:43:588:337:10
7:02
#12885
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6059549654967574(Top 30%)6455(Top 44%)6455(Top 291%)
10K6.21 mi3.10 mi6326-2675667-1715667-1716635(Top 26%)5866(Top 40%)5866(Top 264%)
15K9.32 mi3.11 mi6729-4035941-2745941-2747574(Top 30%)6455(Top 44%)6455(Top 291%)
20K12.43 mi3.11 mi8969-22407303-13627303-136215315(Top 60%)10087(Top 69%)10087(Top 455%)
Half13.11 mi0.68 mi9319-3507485-1827485-18214994(Top 59%)9909(Top 68%)9909(Top 447%)
25K15.53 mi2.42 mi10308-9897917-4327917-43214448(Top 57%)9551(Top 66%)9551(Top 431%)
30K18.64 mi3.11 mi11656-13488462-5458462-54516019(Top 63%)9996(Top 69%)9996(Top 451%)
20M20.00 mi1.36 mi12665-10098857-3958857-39520037(Top 78%)11754(Top 81%)11754(Top 530%)
21M21.00 mi1.00 mi13642-9779207-3509207-35021149(Top 83%)12228(Top 84%)12228(Top 551%)
35K21.75 mi0.75 mi13983-3419332-1259332-12519439(Top 76%)11346(Top 78%)11346(Top 512%)
23M23.00 mi1.25 mi14153-1709354-229354-2215970(Top 63%)9552(Top 66%)9552(Top 431%)
24M24.00 mi1.00 mi13841+3129172+1829172+1827846(Top 31%)5428(Top 37%)5428(Top 245%)
40K24.85 mi0.85 mi13513+3288983+1898983+1896325(Top 25%)4517(Top 31%)4517(Top 204%)
25.2M25.20 mi0.35 mi13344+1698891+928891+925846(Top 23%)4209(Top 29%)4209(Top 190%)
Finish26.22 mi1.02 mi12885+4598637+2548637+2543289(Top 13%)2732(Top 19%)2732(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7574

Males

6455

M45-49

6455

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

6635

Males

5866

M45-49

5866

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7574

Males

6455

M45-49

6455

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15315

Males

10087

M45-49

10087

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

14994

Males

9909

M45-49

9909

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

14448

Males

9551

M45-49

9551

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16019

Males

9996

M45-49

9996

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20037

Males

11754

M45-49

11754

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

21149

Males

12228

M45-49

12228

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

19439

Males

11346

M45-49

11346

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

15970

Males

9552

M45-49

9552

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

7846

Males

5428

M45-49

5428

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6325

Males

4517

M45-49

4517

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5846

Males

4209

M45-49

4209

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3289

Males

2732

M45-49

2732

Passing Analysis

Category:
Athletes Passed
1676
Passed By
8499
Net Change
-6826
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6059
5K → 10K97364-267#6059#6326
10K → 15K50453-403#6326#6729
15K → 20K82248-2240#6729#8969
20K → Half4354-350#8969#9319
Half → 25K501037-989#9319#10308
25K → 30K581405-1348#10308#11656
30K → 20M171026-1009#11656#12665
20M → 21M13990-977#12665#13642
21M → 35K26367-341#13642#13983
35K → 23M79249-170#13983#14153
23M → 24M3164+312#14153#13841
24M → 40K3291+328#13841#13513
40K → 25.2M1701+169#13513#13344
25.2M → Finish4590+459#13344#12885
TOTALS16768499-6826
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing